O'BRIEN, H.E.; TYNI, M. Mineralogy and geochemistry of kimberlites and related rocks from Finland. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 7, n. 1, p. 643–645, 1998. DOI: 10.29173/ikc2832. Disponível em: https://ikcabstracts.com/index.php/ikc/article/view/2832. Acesso em: 19 apr. 2024.